Home / 28,987.08-43,459.32-9,254.28

Finding the Fourth Proportional to 28,987.08, 43,459.32 and 9,254.28

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Solution

The fourth proportional to 28,987.08, 43,459.32 and 9,254.28 is: 13,874.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,987.08 : 43,459.32 = 9,254.28 : x
  2. Step 2: Convert to fraction form
    28,987.08/43,459.32 = 9,254.28/x
  3. Step 3: Cross multiply
    28,987.08x = 43,459.32 × 9,254.28
  4. Step 4: Simplify right side
    28,987.08x = 402,184,715.89
  5. Step 5: Solve for x
    x = 402,184,715.89/28,987.08
  6. Step 6: Final answer
    x = 13,874.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.